CHINESE JOURNAL OF MODERN NURSING, Volume 14, Issue 31,2008, Pages 3304-3305, doi:10.3760/cma.j.issn.1674-2907.2008.31.030
CHINESE JOURNAL OF MODERN NURSING, Volume 14, Issue 31,2008, Pages 3306-3307, doi:10.3760/cma.j.issn.1674-2907.2008.31.031
CHINESE JOURNAL OF MODERN NURSING, Volume 14, Issue 31,2008, Pages 3314-3316, doi:10.3760/cma.j.issn.1674-2907.2008.31.036